private List <PhoneMetaInformation> GetPhoneMetaInformation(List <int> ids, List <Transaction> transactions, int months)
{
List <PhoneMetaInformation> metas = new List <PhoneMetaInformation>();
foreach (int id in ids.Distinct())
{
if (!m_hardwareContext.HardwareConfigurations.Any(x => x.ConfigId == id))
{
continue;
}
Hardware phone = m_hardwareContext.HardwareConfigurations.Where(x => x.ConfigId == id).First();
if (phone == null)
{
continue;
}
TimeSeriesForecast tsf = new TimeSeriesForecast(transactions, phone.PhoneModel);
if (tsf.IsForecastable())
{
var forecast = tsf.GenerateFutureForecast(months);
metas.Add(new PhoneMetaInformation(phone, forecast, months));
}
}
return(metas);
}
private List <ChartItem> GetCharts(List <int> ids, List <Transaction> transactions, int months)
{
List <ChartItem> charts = new List <ChartItem>();
foreach (int id in ids.Distinct())
{
if (!m_hardwareContext.HardwareConfigurations.Any(x => x.ConfigId == id))
{
continue;
}
Hardware phone = m_hardwareContext.HardwareConfigurations.Where(x => x.ConfigId == id).First();
if (phone == null)
{
continue;
}
TimeSeriesForecast tsf = new TimeSeriesForecast(transactions, phone.PhoneModel);
if (tsf.IsForecastable())
{
DateTime today = DateTime.Today;
DateTime twoYearsAgo = new DateTime(today.Year - 2, today.Month, 1);
var forecast = tsf.GenerateFutureForecast(months);
charts.Add(new ChartItem(phone.PhoneModel.GetDisplayName(),
false,
2,
forecast.Where(x => x.Date >= twoYearsAgo).ToList()));
}
}
return(charts);
}
public void TimeSeriesForecast()
{
// Arrange
var transactions = _tContext.Transactions.ToList();
// Act
var tsf = new TimeSeriesForecast(transactions, PhoneModel.iPhone8);
// Assert
Microsoft.VisualStudio.TestTools.UnitTesting.Assert.IsTrue(tsf.IsForecastable() == true);
}